Watson Laboratory Three-Week Course on Computing

Eric Hankam
teaching the Watson Laboratory Three-Week Course on Computing at
IBM Watson Laboratory at Columbia University,
612 West 116th
Street, New York City, 1945-1959 (NEED DATE FOR THIS PHOTO).
On the blackboard: a control-panel diagram for the IBM
604 Electronic
Calculator. Photo from the collection of Eric Hankam.
Click on image to magnify to full size.